4727963685666 has 32 divisors (see below), whose sum is σ = 10245780699840. Its totient is φ = 1445833157184.

The previous prime is 4727963685587. The next prime is 4727963685701. The reversal of 4727963685666 is 6665863697274.

It is a super-2 number, since 2×4727963685666² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185922621 + ... + 185948048.

It is an arithmetic number, because the mean of its divisors is an integer number (320180646870).

Almost surely, 2^{4727963685666} is an apocalyptic number.

4727963685666 is an abundant number, since it is smaller than the sum of its proper divisors (5517817014174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4727963685666 is a wasteful number, since it uses less digits than its factorization.

4727963685666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371870850.

The product of its digits is 3292047360, while the sum is 75.

The spelling of 4727963685666 in words is "four trillion, seven hundred twenty-seven billion, nine hundred sixty-three million, six hundred eighty-five thousand, six hundred sixty-six".